Geometry Calculator is described as 'enables you to quickly determine the perimeter and area of multiple geometric shapes. Our calculator provides a professional look while delivering accurate results' and is a Calculator in the education & reference category. There are four alternatives to Geometry Calculator for a variety of platforms, including Mac, Windows, Android, Android Tablet and iPad. The best alternative is GeoGebra Geometry, which is both free and Open Source. Other great apps like Geometry Calculator are Geometer, Volume Calculator and MathX.